NullPointerException in microprofile-metrics-smallrye when migrating to JBoss EAP 7.3

Solution Verified - Updated -

Issue

  • After upgrading SSO from 7.3 to 7.4 according to documentation SSO won't start, and the log contains this error:
2020-04-20 12:16:56,857 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("add") failed - address: ([("subsystem" => "microprofile-metrics-smallrye")]): java.lang.NullPointerException
        at org.wildfly.extension.microprofile.metrics.MicroProfileMetricsSubsystemAdd$2.execute(MicroProfileMetricsSubsystemAdd.java:86)
        at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:999)
        at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:743)
        at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:467)
        at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1413)
        at org.jboss.as.controller.ModelControllerImpl.boot(ModelControllerImpl.java:521)
        at org.jboss.as.controller.AbstractControllerService.boot(AbstractControllerService.java:472)
        at org.jboss.as.controller.AbstractControllerService.boot(AbstractControllerService.java:434)
        at org.jboss.as.server.ServerService.boot(ServerService.java:435)
        at org.jboss.as.server.ServerService.boot(ServerService.java:394)
        at org.jboss.as.controller.AbstractControllerService$1.run(AbstractControllerService.java:374)
        at java.lang.Thread.run(Thread.java:748)

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 7.3
  • Red Hat Single Sign On (RHSSO) 7.4

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